规范是命令、允许或授权某种行为的行动的意义。
最大的挑战是每天都要进步。
I've found time can heal most anything, and you just might find what you're looking for.
我不考虑成为最好的。我考虑每天进步。
Curiosity is the engine that drives scientific discovery.
A man is but the product of his thoughts. What he thinks， he becomes.